Inventories (Tables)

6 Months Ended

Jun. 30, 2024

Inventory Disclosure [Abstract]

Schedule of Inventories

Inventories at June 30, 2024 and December 31, 2023 were as follows (in millions):

	June 30, 2024		December 31, 2023
Raw materials and supplies	$	212.7	$	234.9
Work-in-process	1,121.8		973.6
Finished goods	54.6		114.5
	1,389.1		1,323.0
Inventory valuation reserves	(71.6)		(75.5)
Total inventories, net	$	1,317.5	$	1,247.5